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#pragma once
#ifndef __SID_H__
#define __SID_H__
/*
approximation of the sid6581 chip
this part is for one chip,
*/
#include "sound/sid6581.h"
#include "sidvoice.h"
#include "streams.h"
/* private area */
typedef struct _SID6581
{
running_device *device;
sound_stream *mixer_channel; // mame stream/ mixer channel
int (*ad_read) (running_device *device, int which);
SIDTYPE type;
UINT32 clock;
UINT16 PCMfreq; // samplerate of the current systems soundcard/DAC
UINT32 PCMsid, PCMsidNoise;
#if 0
/* following depends on type */
ptr2sidVoidFunc ModeNormalTable[16];
ptr2sidVoidFunc ModeRingTable[16];
// for speed reason it could be better to make them global!
UINT8* waveform30;
UINT8* waveform50;
UINT8* waveform60;
UINT8* waveform70;
#endif
int reg[0x20];
// bool sidKeysOn[0x20], sidKeysOff[0x20];
UINT8 masterVolume;
UINT16 masterVolumeAmplIndex;
struct
{
int Enabled;
UINT8 Type, CurType;
float Dy, ResDy;
UINT16 Value;
} filter;
sidOperator optr1, optr2, optr3;
int optr3_outputmask;
} SID6581;
void sid6581_init (SID6581 *This);
int sidEmuReset(SID6581 *This);
int sid6581_port_r (running_machine *machine, SID6581 *This, int offset);
void sid6581_port_w (SID6581 *This, int offset, int data);
void sidEmuFillBuffer(SID6581 *This, stream_sample_t *buffer, UINT32 bufferLen );
#endif /* __SID_H__ */
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